Add dns reset to API (#1428)

API.md

@@ -797,6 +797,8 @@ return:
 
 - POST `/dns/restart`
 
+- POST `/dns/reset`
+
 - GET `/dns/logs`
 
 - GET `/dns/stats`

hassio/api/__init__.py

@@ -284,6 +284,7 @@ class RestAPI(CoreSysAttributes):
                 web.post("/dns/update", api_dns.update),
                 web.post("/dns/options", api_dns.options),
                 web.post("/dns/restart", api_dns.restart),
+                web.post("/dns/reset", api_dns.reset),
             ]
         )
 

hassio/api/dns.py

@@ -95,3 +95,8 @@ class APICoreDNS(CoreSysAttributes):
     def restart(self, request: web.Request) -> Awaitable[None]:
         """Restart CoreDNS plugin."""
         return asyncio.shield(self.sys_dns.restart())
+
+    @api_process
+    def reset(self, request: web.Request) -> Awaitable[None]:
+        """Reset CoreDNS plugin."""
+        return asyncio.shield(self.sys_dns.reset())